/Engine/Plugins/Compositing/Composure/Source/ComposureLayersEditor/Public/ICompElementManager.h
Renames the element with the specified original named to the provided new name.
bool RenameElement ( const [FName](API\Runtime\Core\UObject\FName) OriginalElementName, const [FName](API\Runtime\Core\UObject\FName) & NewElementName )